Re: [PATCH] gpiolib/arches: Centralise bolierplate asm/gpio.h
From: Linus Walleij
Date: Mon Apr 16 2012 - 03:21:54 EST
On Sun, Apr 15, 2012 at 11:52 AM, Mark Brown
<broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Rather than requiring architectures that use gpiolib but don't have any
> need to define anything custom to copy an asm/gpio.h provide a Kconfig
> symbol which architectures must select in order to include gpio.h and
> for other architectures just provide the trivial implementation directly.
>
> This makes it much easier to do gpiolib updates and is also a step towards
> making gpiolib APIs available on every architecture.
>
> For architectures with existing boilerplate code leave a stub header in
> place which warns on direct inclusion of asm/gpio.h and includes
> linux/gpio.h to catch code that's doing this. Direct inclusion of
> asm/gpio.h has long been deprecated.
>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
> arch/alpha/include/asm/gpio.h | 59 ++----------------------------
> arch/arm/Kconfig | 1 +
> arch/avr32/Kconfig | 1 +
> arch/blackfin/Kconfig | 1 +
> arch/ia64/include/asm/gpio.h | 59 ++----------------------------
> arch/m68k/Kconfig.cpu | 1 +
> arch/microblaze/include/asm/gpio.h | 57 ++---------------------------
> arch/mips/Kconfig | 1 +
> arch/openrisc/include/asm/gpio.h | 69 ++---------------------------------
> arch/powerpc/include/asm/gpio.h | 57 ++---------------------------
> arch/sh/Kconfig | 1 +
> arch/sparc/include/asm/gpio.h | 40 ++-------------------
> arch/unicore32/Kconfig | 1 +
> arch/x86/include/asm/gpio.h | 57 ++---------------------------
> arch/xtensa/include/asm/gpio.h | 60 ++-----------------------------
> drivers/gpio/Kconfig | 8 ++++
> include/linux/gpio.h | 34 +++++++++++++++++
> 17 files changed, 81 insertions(+), 426 deletions(-)
This looks good but I think we need to page the alpha, ia64, m68k, microblaze,
openrisc etc subarch maintainers on this patch so they have their say.
Yours,
Linus Walleij
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